Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Head restraints
WARNING: To minimize the risk of neck injury in the event of a
crash, the driver and passenger occupants should not sit in or
operate the vehicle, until the head restraint is placed in its proper
position. The driver should never adjust the head restraint whil ...
Throttle Body
Removal
WARNING: Do not smoke or carry lighted tobacco or open flame of any
type when
working on or near any fuel related components. Highly flammable mixtures are
always present
and may be ignited. Failure to follow these instructions may result in personal ...
Installation
1. NOTE: This procedure applies to both the LH and RH halfshafts.
Install a new driveshaft bearing retainer circlip.
2. Remove the special tool.
3. CAUTION: Differential seal damage will occur if installing the
halfshaft without the
special tool installed. ...
